<html>
<head>
<style type="text/css">
html{height:100%}
body{height:100%;margin:0px;padding:0px}
#my_canvas{height:75%;width:90%}
</style>
<script type="text/javascript" src="http://ditu.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
function initialize(){
 var myLatlng = new google.maps.LatLng(30.6890583,104.0166433);
 var myLatlng2 = new google.maps.LatLng(30.5777158,104.0627212);
 var myLatlng3 = new google.maps.LatLng(30.5422203,104.0699961);
 var myLatlng4 = new google.maps.LatLng(30.5422875,104.0699912);
 var myLatlng5 = new google.maps.LatLng(30.5424208,104.0700573);

 var myOptions={zoom:13,center:myLatlng,mapTypeId:google.maps.MapTypeId.ROADMAP};
 var map = new google.maps.Map(document.getElementById("my_canvas"), myOptions);
 var marker = new google.maps.Marker({position:myLatlng,title:"da yan ta!",animation: google.maps.Animation.DROP});
 var marker2 = new google.maps.Marker({position:myLatlng2,title:"xi'an zhong lou!",animation: google.maps.Animation.DROP});
 var marker3 = new google.maps.Marker({position:myLatlng3,title:"xi'an zhong lou!",animation: google.maps.Animation.DROP});
 var marker4 = new google.maps.Marker({position:myLatlng4,title:"xi'an zhong lou!",animation: google.maps.Animation.DROP});
 var marker5 = new google.maps.Marker({position:myLatlng5,title:"xi'an zhong lou!",animation: google.maps.Animation.DROP});
 marker.setMap(map);
 marker2.setMap(map);
	marker3.setMap(map);
	marker4.setMap(map);
	marker5.setMap(map);

     var flightPlanCoordinates = [  
                myLatlng,  
                myLatlng2, 
                myLatlng3,
                myLatlng4,
                myLatlng5
            ];     
            var flightPath = new google.maps.Polyline({       
                path: flightPlanCoordinates,       
                strokeColor: "#FF0000",       
                strokeOpacity: 1.0,       
                strokeWeight: 2   });    
  
            flightPath.setMap(map);   

}
</script>
</head>
<body onload="initialize()">
<div id="my_canvas"></div>
</body>
</html>